Home / 185,023.53-255,332.97-100,141.20

Finding the Fourth Proportional to 185,023.53, 255,332.97 and 100,141.20

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Solution

The fourth proportional to 185,023.53, 255,332.97 and 100,141.20 is: 138,195.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,023.53 : 255,332.97 = 100,141.20 : x
  2. Step 2: Convert to fraction form
    185,023.53/255,332.97 = 100,141.20/x
  3. Step 3: Cross multiply
    185,023.53x = 255,332.97 × 100,141.20
  4. Step 4: Simplify right side
    185,023.53x = 25,569,350,015.36
  5. Step 5: Solve for x
    x = 25,569,350,015.36/185,023.53
  6. Step 6: Final answer
    x = 138,195.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.